Based on this product's specifications, here are some alternatives and similar models
Power Supply Unit Inter-Tech HIPOWER SP-550 550 W
Summary description:
The Inter-Tech HIPOWER SP-550 is a reliable 550 W power supply unit designed for PCs. It features a 20+4 pin ATX connector, with a total AC input voltage range of 100 - 240 V and frequency of 50 - 60 Hz. The PSU operates quietly at 35 dB, ensuring a peaceful computing experience. With an active cooling system and a 12 cm fan, it maintains optimal temperatures. Dimensions are 150 mm x 140 mm x 86 mm, making it a compact choice for any build.